COOLING SERVICE DATA

FC coofing water tempetature control valve
Tester Connection Condition Specified Condition
5 (B1) - 6 (WRA2) 20°C (68°F) 18 to 22 Ω
5 (B1) - 4 (WRA1)
2 (B2) - 3 (WRB2)
2 (B2) - 1 (WRB1)
Radiator
Item Condition Specified Condition
Reserve tank cap

Standard pressure

(for brand-new reserve tank cap)

74 to 103 kPa (0.8 to 1.1 kgf/cm2, 11 to 15 psi)

Minimum pressure

(for used reserve tank cap)

74 kPa (0.8 kgf/cm2, 11 psi)

Relay
Item Tester Connection Condition Specified Condition
Radiator fan relay 3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher
Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω
No. 2 radiator fan relay 3 - 5 Auxiliary battery voltage not applied between terminals 1 and 2 10 kΩ or higher
Auxiliary battery voltage applied between terminals 1 and 2 Below 1 Ω
Coolant
Capacity Classification
19.6 liters (20.7 US qts, 17.2 Imp. qts) Fuel cell vehicles are filled with Toyota genuine FC stack coolant at the factory. In order to avoid damaging the FC cooling system and other technical problems, only use Toyota genuine FC stack coolant.